The new implementation disagrees when the argument is equal to 2**n but
that is never called in practice and based on how it is used the new
implementation is correct in that case.
Change-Id: Ifbac4ad87d459fe6bd2fd0f400c0340f96617342
#include "./vpx_config.h"
#include "vpx_mem/vpx_mem.h"
#include "vpx/vpx_integer.h"
+#include "vp9/common/vp9_systemdependent.h"
#ifdef __cplusplus
extern "C" {
return value < low ? low : (value > high ? high : value);
}
-static int get_unsigned_bits(unsigned int num_values) {
- int cat = 0;
- if (num_values <= 1)
- return 0;
- num_values--;
- while (num_values > 0) {
- cat++;
- num_values >>= 1;
- }
- return cat;
+static INLINE int get_unsigned_bits(unsigned int num_values) {
+ return num_values > 0 ? get_msb(num_values) + 1 : 0;
}
#if CONFIG_DEBUG